680740141 has 2 divisors, whose sum is σ = 680740142. Its totient is φ = 680740140.

The previous prime is 680740133. The next prime is 680740147. The reversal of 680740141 is 141047086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602506116 + 78234025 = 24546^2 + 8845^2 .

It is a cyclic number.

It is not a de Polignac number, because 680740141 - 2³ = 680740133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680740147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340370070 + 340370071.

It is an arithmetic number, because the mean of its divisors is an integer number (340370071).

Almost surely, 2^680740141 is an apocalyptic number.

It is an amenable number.

680740141 is a deficient number, since it is larger than the sum of its proper divisors (1).

680740141 is an equidigital number, since it uses as much as digits as its factorization.

680740141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 680740141 is about 26090.9973170824. The cubic root of 680740141 is about 879.6848652088.

The spelling of 680740141 in words is "six hundred eighty million, seven hundred forty thousand, one hundred forty-one".